Hypoventilation may be caused by an uneven distribution of inspired air (as in bronchitis), obesity, neuromuscular or skeletal disease affecting the thorax, decreased response of the respiratory center to carbon dioxide, or a reduced amount of functional lung tissue, as in atelectasis, emphysema, and pleural effusion.
Seborrheic Keratosis Causes Wart Like Skin Growths. Seborrheic keratosis causes wart like skin growths to appear on just about every body thatâs over age 40. Although they resemble skin cancer, these keratosis tumors are benign.
Very few go on to develop hyperplasia or malignancy (found most often with genital warts). The focus of this article is nongenital warts; when people want information about warts, most commonly they mean nongenital warts. 1  Warts are common in children. 2  Most cases occur between ages 12-16 years.